* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  /* 阻止移动端上拉下拽 */
  position: fixed;
  z-index: -1;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

#app {
  height: 100%;
  overflow: hidden;
}
